31. (Continued)
temperature; thus, their resistance decreases.
When a semiconductor material undergoes an increase in temperature,
its resistance ______________________ .
decreases
32. Select the effect that an increase in temperature has on the resistance of a
conductor material.
a. Resistance increases.
b. Resistance decreases.
c. Resistance remains the same.
a.
33. Match each term in column A with its definition in column B.
A
B
_____ (1) Conductor.
a. Elements whose atoms have
exactly four valence electrons.
_____ (2) Semiconductor.
b. Elements whose atoms have
_____ (3) Insulator.
complete "L" shells.
c. Elements whose atoms have less
than four valence electrons.
d. Elements whose atoms have more
than four valence electrons.
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IT0341
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